package num707;

/**
 * @author : DuJiabao
 * @Date : 2021/1/25 14:54
 * @Project : sword-finger-offer
 * @File : null.java
 * @Desc :
 */
class ListNode {
    int val;
    ListNode next;

    public ListNode(){
    }

    public ListNode(int val){
        this.val = val;
    }
}
